Heck, what's a riser? I mean, I am familiar with the term, but I have no way to identify what a Soyuz capsule's risers are, so ho do I know if they're attached

Heck, what's a riser? I mean, I am familiar with the term, but I have no way to identify what a Soyuz capsule's risers are, so ho do I know if they're attached or not?