The title aptly shows my level of expertise

My other half got a nice hair sporran (Blackwatch type) to replace one that was tragically damaged years ago. It is in good nick apart from one tassle which lacks the metal thinggy to hold it together. I am sorry i have no idea what it is called.

I am fairly sure he'd be able to replace it himself if I were to find this metally thing for his birthday. But I need help - any good online sources or sources in the NorthEast of Scotland were I could get one. Getting the sporran into the shop is not an option, he'd notice it missing...

Any help much apprechiated