Eisenhower (Ike) Dollar Shell Coin
The expanded shell is the most versatile gimmick in all of coin magic.It really is one of the most versatile gimmicks in your secret arsenal. It enables you to do many tricks that need an extra coin without the worry of concealing the extra coin. You can hide the extra coin in full view of your audience. Almost any coin trick can be improved with the addition of a shell coin to the routine. When you do coins across you can use it to have the last coin fly to the spectators hand and it makes tricks like coins through the table incredibly clean in handling. It will make any trick totally baffling to the spectator who does not know about the existence of a shell coin. This expanded shell fits over a regular dollar coin.You can see a video explaining shell coins by clicking here.