The second marble is a large steel marble the same volume as the glass marble but more massive or heavier 66g. The protocol is as follows. 10 59 starting from rest.
Bodyjewellery 16g 16 Gauge 1 2mm 5 16 8mm Steel Lip Monroe Ring Labret Ear Stud Bar Lot Bbhl Body Piercing Jew Piercing Jewelry Body Piercing Jewelry Piercings