I understand clipping exist but in sets too? Read on

[Jijifli]

This doesn't seem like "set" clipping, if you're arguing that the weapons clip with the sets. The weapons aren't considered part of the same armor sets, are they? Plus they give the option to hide sheathed weapons.

You get the entire armor set, including the weapon, from the same, "Seventh Heaven Attire Coffer." If they are not considered the same set, why do they come in the same box?