☰ mtdb > Tricks > Trick< Back to all tricksRefraction Permalink: mtdb.co/?Refraction Creator: David Penn For the first time ever David Penn reveals his signature effect REFRACTION. Effect Whilst holding a borrowed wine glass in both hands your spectator gets to witness the impossible as the stem bends visibly before their eyes. The glass is then given to the spectator to keep as a... Buy From: REVIEWS No Reviews Yet. about | login | register | dealers | tricks | creators | contact |