Merchants x Bones Billy's Mum Ring - SilverMERCHANTS x BONES BILLY'S MUM RING IN STERLING SILVER A reminder of whos boss. The Billys Mum Signet is a long standing short story. This classic round face features the classic mom heart inscription, with a textured, oxidised finish on 925 sterling silver. Buy for yourself, your mum, your dad, your friends mum whoever you see fit. SIZING MEASURE YOUR RING SIZE AT HOME TOOLS NEEDED: Paper or string Scissors Your favourite finger s STEP 1: If using