Sorry guys, but can anyone tell me what these are, they don’t hurt, they have been there for ages, and if I squeeze hard enough yellow stuff pushes out. Cheers

38 3

31 1

29 0

29 1

39 4

39 0

21 0

31 0

31 0

31 1

9 0

25 0

19 0

27 1

34 3

45 1