diff --git a/modular_nova/modules/ashwalkers/code/items/ash_surgery.dm b/modular_nova/modules/ashwalkers/code/items/ash_surgery.dm
index ec263c5dedf..51f30bdd71e 100644
--- a/modular_nova/modules/ashwalkers/code/items/ash_surgery.dm
+++ b/modular_nova/modules/ashwalkers/code/items/ash_surgery.dm
@@ -3,6 +3,7 @@
 	name = "primitive cautery"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "cautery"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -18,6 +19,7 @@
 	name = "primitive surgical drill"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "surgical_drill"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -33,6 +35,7 @@
 	name = "primitive scalpel"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "scalpel"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -48,6 +51,7 @@
 	name = "primitive circular saw"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "surgical_saw"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -63,6 +67,7 @@
 	name = "primitive retractor"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "retractors"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -78,6 +83,7 @@
 	name = "primitive hemostat"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "hemostat"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -93,6 +99,7 @@
 	name = "primitive bonesetter"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "bonesetter"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
diff --git a/modular_nova/modules/ashwalkers/code/items/ash_tool.dm b/modular_nova/modules/ashwalkers/code/items/ash_tool.dm
index d8cac913602..f9bd05c1fc9 100644
--- a/modular_nova/modules/ashwalkers/code/items/ash_tool.dm
+++ b/modular_nova/modules/ashwalkers/code/items/ash_tool.dm
@@ -3,6 +3,7 @@
 	name = "primitive screwdriver"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "screwdriver"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -18,6 +19,7 @@
 	name = "primitive wirecutters"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "cutters"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -33,6 +35,7 @@
 	name = "primitive wrench"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "wrench"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -48,6 +51,7 @@
 	name = "primitive crowbar"
 	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
 	icon_state = "crowbar"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
 
 	greyscale_colors = null
 	greyscale_config = null
@@ -59,6 +63,24 @@
 	name = "Ash Crowbar"
 	result = /obj/item/crowbar/ashwalker
 
+/obj/item/chisel/ashwalker
+	name = "primitive chisel"
+	desc = "Where there is a will there is a way; the tool head of this chisel is fashioned from bone shaped when it was fresh and then left to calcify in iron rich water, to make a strong head for all your carving needs."
+	icon = 'modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi'
+	icon_state = "chisel"
+	custom_materials = list(/datum/material/bone = SMALL_MATERIAL_AMOUNT * 1)
+
+	greyscale_colors = null
+	greyscale_config = null
+	greyscale_config_inhand_left = null
+	greyscale_config_inhand_right = null
+	greyscale_config_worn = null
+	toolspeed = 4
+
+/datum/crafting_recipe/ash_recipe/ash_chisel
+	name = "Ash Chisel"
+	result = /obj/item/chisel/ashwalker
+
 /obj/item/cursed_dagger
 	name = "cursed ash dagger"
 	desc = "A blunted dagger that seems to cause the shadows near it to tremble."
diff --git a/modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi b/modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi
index 5066689e2e2..d93ab5f381b 100644
Binary files a/modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi and b/modular_nova/modules/ashwalkers/icons/ashwalker_tools.dmi differ