Related Clues:

• Skull and crossbones holder
• Train for boxing
• Get ready for a fight
• Warm up in the ring
• Exchange ripostes
• Laminated mineral
• Practice outside the ring
• Trade punches in training
• Support at sea
• Practice for a boxing match
• Plane-wing part
• Muscovite, for one
• Shiny mineral
• Train for a fight
• Sprit, e.g.