specialty： 1、Suitable for sports shoes, lady shoes, jackboots, bags & hats etc. 2、Excellent sewing effects and first class quality thank to vertical rotating hook and link take-up lever. 3、Lock stitch with drop feed can promise a smooth sewing quality on either thin or thick materials, especially on the multi-layered leather. 4、Easily adjustable stitch length variation. 5、Back tacking only with gentle press on the back tacking bar, convenient operation.