Clap a hand on and Tack on

Tack on and clap a hand on are semantically related. In some cases you can use "Tack on" instead a verb "Clap a hand on".

Tack on verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.

Clap a hand on and tack on are semantically related. Sometimes you can use "Clap a hand on" instead a verb "Tack on".