同步隨動的包邊機構無論直線和轉角位都能包出完美的效果；在包邊縫制完成前移開包邊機構后剪斷包邊條，有利于收口的美觀，減少穿包邊條的時間，效率更高。

The moving binder construction can bind perfect effect no matter straight or corner stitch .Before the finishing of binding ,move the construction and cut the binding fabric ,which can lead to beautiful sealing ,decrease the time and improve the efficiency .