Remote Chastity Options

In addition to the Qiui Key Pod another low tech option is this.   I am not sure if it would fit every key, but I thought it was a pretty clever way for the male to get a key for safety, but no way to hide using the key.

https://www.aliexpress.com/item/2255800449815668.html?spm=a2g0o.productlist.0.0.757b7366Y9IZlr&algo_pvid=70e0ed3f-37ee-4327-9a34-b1fc29124e9f&algo_exp_id=70e0ed3f-37ee-4327-9a34-b1fc29124e9f-12&pdp_ext_f=%7B%22sku_id%22%3A%2210000004629747408%22%7D&pdp_npi=2%40dis%21USD%21%2113.42%21%21%21%21%21%402103399116572223893401217e2c61%2110000004629747408%21sea