Possible Clues:

• Hollow between limb and shoulder
• Part of body - supply means of defending mine
• Tramp - one dishevelled with obnoxious effluvium?
• Might it prove hairy having to equip mine?
• Depression under an upper limb
• Gun fire in hole is sweat inducing
• Deodorant spot
• Razor target, maybe
• Hairy hollow, perhaps
• Section on rubbish dump, raised place for deodorant?