The answers to the clues below will have something in common as revealed by the answer to the last clue.

1. Waste, as time or money
2. Later
3. Common swimming stroke
4. Intelligence and physical strength
5. Baseball rhubarb
6. '50s - '60s Western

Answers:

1. Fritter away
2. After a while
3. Front crawl
4. Brains and brawn
5. Bench-clearing brawl
6. "Rawhide" - the word RAW is hidden in each of the clue answers:

1. fritteR AWay
2. afteR A While
3. front cRAWl
4. brains and bRAWn
5. bench-clearing bRAWl 

Credit: Lynn Lempel