Solution for 4 June cryptic crossword clue

Some brute there, diligently tied up (8)

Solution - tethered

This is a hidden word clue. (See sidebar under popular posts for explanation of different clue types)

The part of the clue that matches the solution is, obviously, tied up.

And if you look at the first part of the clue, what do you know, there spread over 3 words and across a comma is "tethered".  The hint that there might be a hidden word is "some".