I done the exact same thing.... right hand, little finger knuckle. Drunk many years ago in a fight.
It hurt a lot the next day when I sobered up hehehe. I know your pain.
Mother fucker man, that looks brutal. Protip: when putting ones hand through objects make sure ones hand is stronger then said object....next time i suggest punching a cake or a form of pie. Congrat on first post man!