This is a pretty decent replica of a part used on SO-DO Kamen Rider, plugged into the back of the belt to hold on balljointed robes. Dunno if the design has changed over the years, but this one is specifically based on the design used in Kamen Rider Saber.

To be a little specific to how I use this, I've printed ones for the main three Riders who do form changes. Saber by default has a robe connector that only use the right side, so if I print this out, that's one less part that I need to swap out for form changes.

Part is pre-positioned and needs support.

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