That sounds familiar.We can though, we could just put triggers for payments in, as I think you suggested when I made the point you've just made! E.g. when Halil makes his 50th league appearance for us.. things like that.
Which they would have to accept.
Brentford never seemed keen to let him go permanently so they're going to want guaranteed money. That's completely different to Fenerbahce who have helped us out massively all summer. We got Tufan for a nominal initial fee, Allahyar for half price and Pelkas on loan with them covering a big proportion of his wages.
It was never really in Brentford's interest to loan Halil with an option to buy