diff --git a/code/game/objects/structures.dm b/code/game/objects/structures.dm
index 87332c776f..f023f3e395 100644
--- a/code/game/objects/structures.dm
+++ b/code/game/objects/structures.dm
@@ -7,7 +7,7 @@
 	var/climb_delay = 3.5 SECONDS
 	var/breakable
 	var/parts
-	var/list/climbers = list()
+	var/list/climbers
 	var/block_turf_edges = FALSE // If true, turf edge icons will not be made on the turf this occupies.
 	
 	var/list/connections = list("0", "0", "0", "0")
@@ -35,7 +35,7 @@
 			if(H.species.can_shred(user))
 				attack_generic(user,1,"slices")
 
-	if(climbers.len && !(user in climbers))
+	if(LAZYLEN(climbers) && !(user in climbers))
 		user.visible_message("<span class='warning'>[user.name] shakes \the [src].</span>", \
 					"<span class='notice'>You shake \the [src].</span>")
 		structure_shaken()
@@ -103,21 +103,21 @@
 		return
 
 	usr.visible_message("<span class='warning'>[user] starts climbing onto \the [src]!</span>")
-	climbers |= user
+	LAZYDISTINCTADD(climbers, user)
 
 	if(!do_after(user,(issmall(user) ? climb_delay * 0.6 : climb_delay)))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if (!can_climb(user, post_climb_check=1))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	usr.forceMove(get_turf(src))
 
 	if (get_turf(user) == get_turf(src))
 		usr.visible_message("<span class='warning'>[user] climbs onto \the [src]!</span>")
-	climbers -= user
+	LAZYREMOVE(climbers, user)
 
 /obj/structure/proc/structure_shaken()
 	for(var/mob/living/M in climbers)
@@ -204,7 +204,7 @@
 		if(can_visually_connect_to(S))
 			if(S.can_visually_connect())
 				if(propagate)
-					//S.update_connections() //Not here
+					S.update_connections()
 					S.update_icon()
 				dirs += get_dir(src, S)
 
diff --git a/code/game/objects/structures/fitness_vr.dm b/code/game/objects/structures/fitness_vr.dm
index 6459cd469b..99978fe27c 100644
--- a/code/game/objects/structures/fitness_vr.dm
+++ b/code/game/objects/structures/fitness_vr.dm
@@ -26,14 +26,14 @@
 		return
 
 	usr.visible_message("<span class='warning'>[user] starts climbing onto \the [src]!</span>")
-	climbers |= user
+	LAZYDISTINCTADD(climbers, user)
 
 	if(!do_after(user,(issmall(user) ? 20 : 34)))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(!can_climb(user, post_climb_check=1))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(get_turf(user) == get_turf(src))
@@ -42,7 +42,7 @@
 		usr.forceMove(get_turf(src))
 
 	usr.visible_message("<span class='warning'>[user] climbed over \the [src]!</span>")
-	climbers -= user
+	LAZYREMOVE(climbers, user)
 
 /obj/structure/fitness/boxing_ropes/can_climb(var/mob/living/user, post_climb_check=0) //Sets it to keep people from climbing over into the next turf if it is occupied.
 	if(!..())
@@ -84,14 +84,14 @@
 		return
 
 	usr.visible_message("<span class='warning'>[user] starts climbing onto \the [src]!</span>")
-	climbers |= user
+	LAZYDISTINCTADD(climbers, user)
 
 	if(!do_after(user,(issmall(user) ? 20 : 34)))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(!can_climb(user, post_climb_check=1))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(get_turf(user) == get_turf(src))
@@ -100,7 +100,7 @@
 		usr.forceMove(get_turf(src))
 
 	usr.visible_message("<span class='warning'>[user] climbed over \the [src]!</span>")
-	climbers -= user
+	LAZYREMOVE(climbers, user)
 
 /obj/structure/fitness/boxing_ropes_bottom/can_climb(var/mob/living/user, post_climb_check=0)
 	if(!..())
@@ -143,14 +143,14 @@
 		return
 
 	usr.visible_message("<span class='warning'>[user] starts climbing onto \the [src]!</span>")
-	climbers |= user
+	LAZYDISTINCTADD(climbers, user)
 
 	if(!do_after(user,(issmall(user) ? 20 : 34)))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(!can_climb(user, post_climb_check=1))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(get_turf(user) == get_turf(src))
@@ -159,7 +159,7 @@
 		usr.forceMove(get_turf(src))
 
 	usr.visible_message("<span class='warning'>[user] climbed over \the [src]!</span>")
-	climbers -= user
+	LAZYREMOVE(climbers, user)
 
 /obj/structure/fitness/boxing_turnbuckle/can_climb(var/mob/living/user, post_climb_check=0)
 	if(!..())
diff --git a/code/game/objects/structures/ledges.dm b/code/game/objects/structures/ledges.dm
index 1afa2efb01..cf7c88fc48 100644
--- a/code/game/objects/structures/ledges.dm
+++ b/code/game/objects/structures/ledges.dm
@@ -55,14 +55,14 @@
 		return
 
 	usr.visible_message("<span class='warning'>[user] starts climbing onto \the [src]!</span>")
-	climbers |= user
+	LAZYDISTINCTADD(climbers, user)
 
 	if(!do_after(user,(issmall(user) ? 20 : 34)))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(!can_climb(user, post_climb_check=1))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(get_turf(user) == get_turf(src))
@@ -71,7 +71,7 @@
 		usr.forceMove(get_turf(src))
 
 	usr.visible_message("<span class='warning'>[user] climbed over \the [src]!</span>")
-	climbers -= user
+	LAZYREMOVE(climbers, user)
 
 /obj/structure/ledge/can_climb(var/mob/living/user, post_climb_check=0)
 	if(!..())
diff --git a/code/game/objects/structures/railing.dm b/code/game/objects/structures/railing.dm
index e039f7806f..c6c1e1aea5 100644
--- a/code/game/objects/structures/railing.dm
+++ b/code/game/objects/structures/railing.dm
@@ -286,14 +286,14 @@
 		return
 
 	usr.visible_message("<span class='warning'>[user] starts climbing onto \the [src]!</span>")
-	climbers |= user
+	LAZYDISTINCTADD(climbers, user)
 
 	if(!do_after(user,(issmall(user) ? 20 : 34)))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(!can_climb(user, post_climb_check=1))
-		climbers -= user
+		LAZYREMOVE(climbers, user)
 		return
 
 	if(get_turf(user) == get_turf(src))
@@ -303,7 +303,7 @@
 
 	usr.visible_message("<span class='warning'>[user] climbed over \the [src]!</span>")
 	if(!anchored)	take_damage(maxhealth) // Fatboy
-	climbers -= user
+	LAZYREMOVE(climbers, user)
 
 /obj/structure/railing/can_climb(var/mob/living/user, post_climb_check=0)
 	if(!..())
diff --git a/code/modules/tables/tables.dm b/code/modules/tables/tables.dm
index e37b684d3d..47cba8bf46 100644
--- a/code/modules/tables/tables.dm
+++ b/code/modules/tables/tables.dm
@@ -333,6 +333,8 @@ var/list/table_icon_cache = list()
 		return FALSE
 	if(istype(src,/obj/structure/table/bench) && !istype(S,/obj/structure/table/bench))
 		return FALSE
+	if(istype(src,/obj/structure/table/rack) && !istype(S,/obj/structure/table/rack))
+		return FALSE
 	if(istype(S,/obj/structure/table))
 		return TRUE
 	..()