... 1.Auto oiling; 2.double needle Portable bag closer machinePortable sealing machineModel:SF26-2AApplication:For bag closing all kinds of paper,cotton,PP ... , easy in operation,use the left hand to hold the bag,the right hand to hold sewing machine,and pres the ... switch lightly,and the machine will move on the bag,the operation should be smooth.After finishing, the hand withdrawing ...