Check the listing for details. Aquarian drumKit Tools TTab Drum Head Tone Modifier. Condition: New. Listed at 12.99 USD. Professional drum techs understand that there are times to adjust the drum sound with external modifiers. Adjusting the attack, tone and resonance of a drum can all be achieved by adjusting the vibration and the density of the drum head.The T-Tab is a drum head tone modifier that makes it easy to fine tune the tone and resonance of any drum, in any room, for any playing situation. Eliminate specific frequencies and control the length of decay of a drum by experimenting with the placement of the removable and reusable T-Tabs at different locations on the drum head.The 3 plastic T-Tabs have a slight radius that makes them fit nicely around the circumference of the drum. But unlike other muting mediums, the 10mil plastic T-Tabs can be played on.