Stuffed Sitten Spynne

RankItemQuantity
#650A Beginner's Guide to Charming Snakes1
#76Bag o' Tricks1
#534Inigo's Incantation of Inspiration1
#290antique bottle opener3
#33navel ring of navel gazing1
#332phish stick3
#451strange cube2

Wow, that's 12 items total!

what items are this player missing?