"ATFULLSTRETCH" IS THE Answer TO THE FOLLOWING CROSSWORDS

1. Completely extended
2. Using maximum resources
3. Striving to the utmost, how severe judge fixed sentence?

OTHER CLUES

1. Barnyard cry
2. Accepts the inevitable presents at home
3. Something you might secretly push in a 24-down
4. Answer back from teen and from tweeny, 'whatever'
5. Blade sharpener
6. Nippers co
7. Big whoop, sarcastically
8. By end of year kelvin's put up holly etc