... punched felt,filter bags,mans suit,work suits and so onadvantage:1.vertical large hook improved the ... good sewing resuits even with the medium weight and non wven material3.cliper-built needle plate assure ... big lifting height of presser foot assures easy input and output of the material5. built-in upper fedd ... as :cushion,botts,filter bags,luggage bag and hand bag,etc For maore deails,pls kindly feel ...