Imporved Clinch Knot

講釣魚, 大家都有番咁上下, 但係要講到數學數據, 就唔係人人掂咧!
Improved Clinch Knot 依個結, 又係一個人人都知, 人人都用過 o既結.

Improved, 意謂改良.

唔識 o既人, 就學下啦!
已經識 o既人, 當溫故知新啦!