16 (number) old days, weighing was done with a beam balance to make equal splits. It would be easier to split a heap of grains into sixteen equal parts through successive divisions than to split into ten parts. Chinese Taoists did finger computation on the trigrams and hexagrams by counting the finger tips and joints of the fingers with the tip of the thumb. Each hand can count up to 16 in such manner. The Chinese abacus uses two upper beads to represent the 5s and 5 lower beads to represent the 1s, the 7 beads can represent a hexadecimal digit from
Thumb tip use a thumb tip with a piece of pencil lead at the end which can be used to secretly write on a piece of paper, similar to a swami gimmick. A thumb tip embedded with magnets can be utilized in performance to effect a magnetic compass to move. Thumb tip A thumb tip is a magician's prop designed to fit over and appear to be the magician's thumb used for vanishing, producing, or switching small objects. A classic effect is to have a silk handkerchief or other small object pressed into the top of the left fist. After pushing it