noun
double bass drum pedal; double kick drum pedal
A drum pedal that strikes two bass drum beaters with one foot, used in rock and metal drumming. Wasei-eigo from English 'twin pedal'.
wasei-eigo (Japanese-coined English), from twin pedal
彼はツインペダルを使って高速のビートを刻んだ。
He used a double bass drum pedal to play a fast beat.