The bass guitar is a stringed instrument played primarily with the fingers or thumb, by plucking, slapping, popping, strumming, tapping, thumping, or picking. The bass guitar is similar in appearance and construction to an electric guitar, but with a longer neck and scale length, and four to six strings.

Bass guitar lock in with (especially) the bass drum and help link the main beat, the main pulse, of the music from the ‘dry’ sound of the drum to the ‘warmer’ sound of the harmony and melody content of the music.

Fidget spinner, a toy popular nowdays is believed to relieve stress. It consists of a bearing in the center of a multi-lobed flat structure made from metal or plastic. The toy has been advertised as helping people who have trouble with focusing or fidgeting (such as those with ADHD, autism, or anxiety) by acting as a release mechanism for nervous energy or psychological stress. Experts are divided, with some supporting this claim and others disputing its scientific basis, arguing that the toy may be distracting.
Fidget spinners became popular toys in 2017, although similar devices had already been invented in 1993. Often marketed with claims of health benefits, the toy became popular among schoolchildren.

Here is an amazing bass solo using a fidget spinner. Enjoy..