thrumming

To cause a steady rhythmic vibration, usually by plucking.

“She watched as he thrummed the guitar strings absently.”

To make a monotonous drumming noise.

“to thrum on a table”

To furnish with thrums; to insert tufts in; to fringe.

To insert short pieces of rope-yarn or spun yarn in.

“to thrum a piece of canvas, or a mat, thus making a rough or tufted surface”

The sound or action of something that thrums.