Related Clues:

• Makes two into one
• Personal connections
• Blends or amalgamates, say metals
• Welds together using heat
• Welds together with heat
• Items of neckwear
• Blends together as with heat
• Binds with male neckwear
• They interrupt the electric current when they're overloaded
• Blow one of these and lose your temper
• The proper ones are possessed, though they sound as if they're not
• One might choose to come before this, by the sound of it, when one get married
• They are not, by the sound of it, at the bottom of the glen in Donegal
• How the glen gets in a knot in Donegal
• The glen might have got it in the neck from them in Donegal