☰ mtdb > Tricks > Trick< Back to all tricksMarker Permalink: mtdb.co/?Marker Creator: William Houcke William Houcke is the winner of the 2015 Arteco Production creators contest. William is a young magician, full of ideas and talent and this is very clear when you see Marker. Marker is a gimmick that allows you to change any prediction drawn on the back of a card. The... Buy From: REVIEWS No Reviews Yet. about | login | register | dealers | tricks | creators | contact |