Related Clues:

• Where sleeves come from
• Vests have two
• Poncho's lack
• Openings for upper members
• Openings for members? New role has to accommodate opening for member
• Pillowcase dress' lack
• Where sleeves are attached
• Vest openings
• Flaw in insignia, which should not be part of a straitjacket
• Members' entrances