Having objects embedded in your limbs causes extra bleeding on top of the bleeding caused by the damage.

code/modules/mob/living/carbon/human/blood.dm

@@ -109,6 +109,10 @@ var/const/BLOOD_VOLUME_SURVIVE = 122
 		for(var/obj/item/organ/limb/org in organs)
 			var/brutedamage = org.brute_dam
 
+			//We want an accurate reading of .len
+			listclearnulls(org.embedded_objects)
+			blood_max += 0.5*org.embedded_objects.len
+
 			if(brutedamage > 30)
 				blood_max += 0.5
 			if(brutedamage > 50)