What is the meaning of Thong?

A strip of leather.

An item of footwear, usually of rubber, secured by two straps which join to pass between the big toe and its neighbour.

An item of clothing, usually an undergarment or swimwear consisting of very narrow strips designed to cover just the genitals and nothing more.

The largest section of a bullwhip constructed of many straps of braided leather.

pillar

A strip cut from a piece of leather.

Source: wiktionary.org