Talk:Imanotsurugi/@comment-4975366-20170904193540/@comment-84.169.234.64-20170904195953

They're called tengu geta. It's easy to differentiate between them and normal geta due to the former being single-toothed while the latter has two teeth.

Here is pretty informative text regarding this type of footwear. Afterwards you'll know why Imanotsurugi and Yamabushi wear them. :)