Excluding alternate versions (linked as child posts)
20 (Autofellatio) is incorrectly labelled as 21 on the post itself

1: Pet play
2: Feet fetish
3: Watersports
4: Ballbusting
5: Sounding
6: Musk/scent play
7: Cuckolding (not taken)
8: Chastity
9: Shibari
10: Transformation
11: Pooltoys
12: E-stim
13: Public humilation
14: Latex (not yet uploaded)
15: Objectification
16: Tentacles
17: Edgeing/Milking/Ruined
18: Body painting
19: Wax play
20: Autofelatio
21: Armpits
22: Glory hole (not taken)
23: Plush
24: Bitchsuit (not taken)
25: Dronification
26: Drunk fetish (not taken)
27: Goo
28: Shoe sniffing
29: Hairy
30: Gags (not taken)
31: Gangbang/Bareback (not taken)