T-Rex Engineering Tapster TremoloWith the T Rex Tapster Tremolo effects pedal T Rex took all the gorgeous vintage tone and uncluttered functionality of the Tremster tremolo pedal and added the Tap Tempo function that has made the T Rex Replica delay a certified platinum classic. It gives you all the pulsation players love about the tremolo, plus the ability to change the tempo of your tremolo pulse dynamically, as you play. Like a great organist adjusts the rotation speed of their