Sterling, Harold, No Bottoms: A Series of Tricks Using a Bottomless Tumbler. (ID-20402) You do not have permission to view this page. Please subscribe for instant access.
Sterling, Harold, No Bottoms: 50 Tricks with a Bottomless Tumbler. (ID-20403) You do not have permission to view this page. Please subscribe for instant access.
Gloye, Eugene, Glass-ic Magic. (ID-8677) You do not have permission to view this page. Please subscribe for instant access.
