She said that this scam was a sleight of hand fraud.

她说诈骗是欺诈的花招。

There's actually a sleight of hand here that Paul Renner, the designer who made this in 1927, employed.

其实Paul Renner在这里耍了个花招，就是1927年设计这个的设计师。

It's a sleight of hand, nothing more.

这就是一种戏法 仅此而已。