视频演示地址（请复制到新网页打开）：
传统三明治效果，加入了很多聪明的改良，比如那个从杯口上跳下来的Double就够帅吧~不过要是掉到桌子上散开了那就…………………………
Yves Carbonnier
Level : Intermediate // Language : English
Description : Discover for the first time in download the magic of Yves Carbonnier. In this trick, Yves will introduce you to a sandwich effect based on several clever principles.