A mechanical touch fastener assembly characterized by comprising: a first longitudinally continuous tape carrying a series of first fastener patches on a surface thereof, the first patches arranged in a row along a length of the first tape and carrying a field of first touch fastening features on a surface opposite the first tape , each first patch longitudinally spaced from adjacent first patches such that the first tape surface is exposed between the first patches ; and a second longitudinally continuous tape carrying a series of second fastener patches on a surface thereof, the second patches arranged in a row along a length of the second tape and carrying a field of second touch fastening features on a surface opposite the second tape , each second patch longitudinally spaced from adjacent second patches such that the second tape surface is exposed between the second patches ; wherein the first tape comprises a first release liner covering adhesive surfaces of the first fastener patches , and the second tape comprises a second release liner covering adhesive surfaces of the second fastener patches , the first and second tapes being wound together to form a roll , with each of the first fastener patches releasably engaged to a respective one of the second fastener patches by inter-engagement of the first and second touch fastening features, and with the engaged fastener patches disposed between the first and second release liners; and wherein as wound to form the roll , one patch of an engaged pair of first and second fastener patches has a leading edge disposed behind a leading edge of another patch of the engaged pair of first and second fastener patches, in an unwind direction of the roll . a first longitudinally continuous tape carrying a series of first fastener patches on a surface thereof, the first patches arranged in a row along a length of the first tape and carrying a field of first touch fastening features on a surface opposite the first tape , each first patch longitudinally spaced from adjacent first patches such that the first tape surface is exposed between the first patches ; and a second longitudinally continuous tape carrying a series of second fastener patches on a surface thereof, the second patches arranged in a row along a length of the second tape and carrying a field of second touch fastening features on a surface opposite the second tape , each second patch longitudinally spaced from adjacent second patches such that the second tape surface is exposed between the second patches ; wherein the first tape comprises a first release liner covering adhesive surfaces of the first fastener patches , and the second tape comprises a second release liner covering adhesive surfaces of the second fastener patches , the first and second tapes being wound together to form a roll , with each of the first fastener patches releasably engaged to a respective one of the second fastener patches by inter-engagement of the first and second touch fastening features, and with the engaged fastener patches disposed between the first and second release liners; and wherein as wound to form the roll , one patch of an engaged pair of first and second fastener patches has a leading edge disposed behind a leading edge of another patch of the engaged pair of first and second fastener patches, in an unwind direction of the roll . <EOS>