Check the listing for details. Voice Straw Cup Kit - Silicone Articulation Vocal Training Tool - New In Box. Condition: Used. Listed at 3.99 USD. The Voice Cup is the next step for SOVT (Semi Occluded Vocal Tract) exercising. Place the opening of the cup over your mouth and create a tight seal (no air pockets around the rim of the cup). Start doing any of your vocal workouts, sing through a song, or yell our shout.

$3.19
$3.99