Added boot knives and putting a knife in your boot.

code/modules/client/preferences_gear.dm

@@ -1562,6 +1562,12 @@ var/global/list/gear_datums = list()
 	sort_category = "misc"
 	cost = 1
 
+/datum/gear/boot_knife
+	display_name = "boot knife"
+	path = /obj/item/weapon/material/kitchen/utensil/knife/boot
+	sort_category = "misc"
+	cost = 3
+
 /datum/gear/cane
 	display_name = "cane"
 	path = /obj/item/weapon/cane

code/modules/clothing/clothing.dm

@@ -393,6 +393,9 @@ BLIND     // can't see anything
 	body_parts_covered = FEET
 	slot_flags = SLOT_FEET
 
+	var/can_hold_knife
+	var/obj/item/holding
+
 	permeability_coefficient = 0.50
 	slowdown = SHOES_SLOWDOWN
 	force = 2
@@ -403,6 +406,54 @@ BLIND     // can't see anything
 		"Resomi" = 'icons/mob/species/resomi/shoes.dmi',
 		)
 
+/obj/item/clothing/shoes/proc/draw_knife()
+	set name = "Draw Boot Knife"
+	set desc = "Pull out your boot knife."
+	set category = "IC"
+	set src in usr
+
+	if(usr.stat || usr.restrained() || usr.incapacitated())
+		return
+
+	holding.forceMove(get_turf(usr))
+
+	if(usr.put_in_hands(holding))
+		usr.visible_message("<span class='danger'>\The [usr] pulls a knife out of their boot!</span>")
+		holding = null
+	else
+		usr << "<span class='warning'>Your need an empty, unbroken hand to do that.</span>"
+		holding.forceMove(src)
+
+	if(!holding)
+		verbs -= /obj/item/clothing/shoes/proc/draw_knife
+
+	update_icon()
+	return
+
+
+/obj/item/clothing/shoes/attackby(var/obj/item/I, var/mob/user)
+	if(can_hold_knife && istype(I, /obj/item/weapon/material/shard) || \
+	 istype(I, /obj/item/weapon/material/butterfly) || \
+	 istype(I, /obj/item/weapon/material/kitchen/utensil) || \
+	 istype(I, /obj/item/weapon/material/hatchet/tacknife))
+		if(holding)
+			user << "<span class='warning'>\The [src] is already holding \a [holding].</span>"
+			return
+		user.unEquip(I)
+		I.forceMove(src)
+		holding = I
+		user.visible_message("<span class='notice'>\The [user] shoves \the [I] into \the [src].</span>")
+		verbs |= /obj/item/clothing/shoes/proc/draw_knife
+		update_icon()
+	else
+		return ..()
+
+/obj/item/clothing/shoes/update_icon()
+	overlays.Cut()
+	if(holding)
+		overlays += image(icon, "[icon_state]_knife")
+	return ..()
+
 /obj/item/clothing/shoes/proc/handle_movement(var/turf/walking, var/running)
 	return
 

code/modules/clothing/shoes/jobs.dm

@@ -15,6 +15,7 @@
 	force = 3
 	armor = list(melee = 30, bullet = 10, laser = 10, energy = 15, bomb = 20, bio = 0, rad = 0)
 	siemens_coefficient = 0.7
+	can_hold_knife = 1
 
 /obj/item/clothing/shoes/jackboots/unathi
 	name = "toe-less jackboots"
@@ -30,3 +31,4 @@
 	item_state = "workboots"
 	armor = list(melee = 40, bullet = 0, laser = 0, energy = 15, bomb = 20, bio = 0, rad = 20)
 	siemens_coefficient = 0.7
+	can_hold_knife = 1