FarplaceRescue
Alpha Buck
I dont know if this has been mentioned on here before, but Burgess do a scheme for rescue centres. We just joined it, and got 10 packs to give to new rabbit owners. If new owners collect barcodes from 5 packs of Burgess food, the rescue centre get a free bag delivered.
Have a look: http://www.burgesspetcare.co.uk/rescue/loyalty-scheme.html
Have a look: http://www.burgesspetcare.co.uk/rescue/loyalty-scheme.html