Possible Clues:

• Lozenge shape
• Regular parallelogram
• Type of parallelogram
• Equal-sided quadrilateral
• The shape we see the doctor in, switching hours?
• A quadrilateral with sides of the same length
• Shape known as a 'tilted square'
• Quadrilateral
• Diamond-shaped figure — Hur's mob (anag)
• Figure unruly mob must be in mad rush