To buy stuff from this store you must have a Stichling
You buy stuff with Patches.
heres how you get patches:
5 patches: adopting a Stichling
10 patches: 1 item
20 patches: a very common or 2 items
40 patches: a common or 3 items
50 patches: a uncommon, 2 commons, or 4 items
70 patches: an uncommon and 1 item, 3 commons, or 5 items
100 patches: an uncommon and very common, 2 commons and 1 item, 6 items