Brilliant.

Oli Blackwell

Somehow the word tether makes it twice as funny.

Mark Cowling

Thanks guys! 'Tether' is just a funny word by itself.

Apologies to our American (and Mexican) captioneers who will find this caption extremely offensive- British people cannot envision the possibility of 'owning' a Mexican, therefore it is simply absurd and inoffensive. Americans, however...