Small Batou -- Near Clear 31* silicone -- B-2862 Fornax 4.0 they are NOT SAFE for

they are NOT SAFE for that

The head is blunt with some scales for a gentle texture

there is still a possibility that if they press into super soft or soft silicone they can do some damage

The large size has two loops on the side that you can use to thread something soft through to tie it down to a surface for more stable grinding

They are not in danger of coming out of the toy

Small Batou -- Near Clear 31* silicone -- B-2862 Fornax 4.0 they are NOT SAFE for**Before buying, please familiarize yourself with our Store Policies and Shipping Policies. For information on silicone firmnesses, please visit the Our Silicone page.** Small Batou Firmness: Near Clear 31* Color: blue, pink Approximate Measurements: Total length: 5 inches Useable length: 4 inches Diameter of the head: 1. 5 inches Circumference of the head: 4. 25 inches Widest shaft diameter: 1. 6 inches Circumference of the shaft: 5 inches Base