Possible Clues:

• What could feed Brummel's horse, according to Spooner?
• Place for oats
• Container of horse feed
• Baked beans go into feeder
• Boy upset, say, devouring airline food
• Food for a horse — one gabs (anag)
• Bulge after feeling one needed to eat like a horse
• Fodder sack
• The horse feeds from it as it hangs around its head
• Began so (anag.)