Possible Clues:

• Pointed or wounding, words or wire
• Having sharp spikes, wire or comment
• Like some wire or rod attached to piece of furniture
• Pierced wire used by fencers
• Caustic, like protective wire
• Like spiked wire
• Like the sort of wire that's deliberately hurtful?
• Wire and remarks may be
• Of remark, sharp and wounding
• Like cow pasture wire