☰ mtdb > Tricks > Trick< Back to all tricksDr Bull's Patented Bullshit Repellent Permalink: mtdb.co/?DrBullsPatentedBullshitRepellent Creator: David Bonsall PropDog understand the need for comedy in every performance, especially for the working pros. So we've come up with a great gag and heckler stopper idea - Dr Bull's Patented Bullshit Repellent!...helps cure chronic bullshitting!' So when that time comes, simple pull it out of your pocket, give it a... Buy From: REVIEWS No Reviews Yet. about | login | register | dealers | tricks | creators | contact |