More checks for correct status+weaken chance while cuffed

code/modules/mob/living/carbon/human/species/station.dm

@@ -90,10 +90,11 @@
 	name = "Tail lash"
 	icon_icon = 'icons/effects/effects.dmi'
 	button_icon_state = "tail"
+	check_flags = AB_CHECK_LYING | AB_CHECK_CONSCIOUS | AB_CHECK_STUNNED
 
 /datum/action/innate/tail_lash/Activate()
 	var/mob/living/carbon/human/user = owner
-	if(user.restrained() || user.buckled)
+	if((user.restrained() && user.pulledby) || user.buckled)
 		to_chat(user, "<span class='warning'>You need freedom of movement to tail lash!</span>")
 		return
 	if(user.getStaminaLoss() >= 50)
@@ -107,6 +108,10 @@
 			user.adjustStaminaLoss(15)
 			C.apply_damage(5, BRUTE, E)
 			user.spin(20, 1)
+			if(user.restrained())
+				if(prob(50))
+					user.Weaken(5)
+					user.visible_message("<span class='danger'>[src] lost their balance! </span>", "<span class='danger'>You lost your balance!</span>")
 			playsound(user.loc, 'sound/weapons/slash.ogg', 50, 0)
 			add_logs(user, C, "tail whipped")