The Role of Tough Spot Trays in Teaching

I think if we're not careful by having a tough trail numerous tough trays in our space it can end up feeling like it's an ideas game to fill those tough trays. We've got to keep you know thinking back to the planning process and why are we doing what we're doing isn't it? So where do you stand in terms of the use of tough spot trays are they a valued part of your practice or do you feel that they maybe take up too much spacemaybe lead to a narrowing of what you're offering  or perhaps lead to staff searching for ideas for what to put on those trays. It would be really good to hear from you now as I