1. Lockstitch cylinder bed machine with a sychronous puller close behind the needle, continously operating up and down, feed by up and down roller and needles together.
2. Interchange between lockstitch and chainstitch.
1. Lockstitch cylinder bed machine with a sychronous puller close behind the needle, continously operating up and down, feed by up and down roller and needles together.
2. Interchange between lockstitch and chainstitch.