What is the significance of the diamond-thingy attachment I highlighted? I’m aware of the implications of the Ring-of-O/leash attachment but I’ve never seen that diamond pattern before.

32 20

40 45

17 20

17 10

13 40

21 20

35 43

10 10

16 40

24 40

46 41

38 10

9 10

16 40

21 40

25 20