I have no idea how old the preserved leather is in the images below, they were all found in Stainton and Maltby becks.
I
1 I have found similar hand made preserved leather in all of the deep beck locations in the south west area of Cleveland North East England.
I
1 I have found similar hand made preserved leather in all of the deep beck locations in the south west area of Cleveland North East England.
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5 The piece at the top has copper nails attached.
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9 The studs are made of iron - steel 
10 This piece has what looks to be a set of gates marked out with some sort of needle.
11 closer view
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14 The holes to the top edge look like lace holes of some kind.
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