One of the current "hot" items in coin magic is the sliding shell. Used for effects like 3-Fly and other coins across, Porper created the perfect gimmick, supplied with three routines from one of close-up magic's greats, Mike Gallo.

Long obtainable, inspired by Jaks Billet Knife Joe Porper and Pete Biro collaborated to design a modern classic Letter Opener gaffed to deliver a billet into a sealed envelope indetectably.