Toavoidunravelling,it isnecessaryto leavethreadchainabout5col (2")longatthebegmningandendofseamTosecurethebeginningandendofaseamchoose. oneofthefollowingmethods.
At theBeginning
A.Separa£etheenaofthreadsandKnoT.
B.Threadthechainthroughalargeevedneedle,andweavethatchainthroughtheoverrockstitchesonthefabric.
C.
1. Beforeouttmgyourfabric;_themachine,sewathreadchainabout5cm(2")longbehindtheneedle
2.PutyourfabricqthemacnmeThen._ergeafewstitchesandstou.
3.Raisethepresserfootantbringthethreadchaintotneleftarounaannundertheoresserfoot
4.Placethethreadchainoetweenthepresserfoc[ annupperknifeholdingIt innositionasyoulowerthepresserfoottosew.
5.AftersewmgaDout2.5cm(l"),movethechairltotherlghtandunaertneupperknifecuttingthechairasyousew
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