Answer: selvedge

AnswerCrossword Clue
SELVEDGERavel preventer
SELVEDGEFabric feature
selvedgenarrow border often of different or heavier threads than the fabric and sometimes in a different weave
selvedgeedge (as of fabric or paper) meant to be cut off and discarded
selvedgeto border a fabric to prevent fraying, also SELVAGE
selvedgeouter or peripheral part border edge
selvedgethe edge on either side of a woven or flat-knitted fabric so finished as to prevent raveling