Knobs Symbols

Ideograph (same as 韶) the name of the music of the legendary Emperor, harmonious, (large seal type 鞀 婸) hand-drum used by pedlars; it is sounded by twirling it backwards in the hand, so that two swinging knobs can strike the face of the drum CJK

Ideograph small revolving drum with knobs CJK

Control Knobs