an adhesive relief edge, said trailing edge and said adhesive relief edge extending between the concave and convex edges of {HEAD ~ an opposite end} of {TAIL ~ the material layer}, said sensing edge and said adhesive relief edge extending in substantially parallel to each other 
an adhesive relief edge , said trailing edge and said adhesive relief edge extending between the concave and convex edges of { HEAD ~ an opposite end } of { TAIL ~ the material layer } , said sensing edge and said adhesive relief edge extending in substantially parallel to each other
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH