Drop a three or four letter name from the first clue to answer the second clue.
Example: a gin drink / a small size = mARTini
-1. type of missle / a disturbance
-2. excuse / funnel
-3. yellow-bellied / modish
-4. sewing machine part / compartment
-5. expanse / chop
-6. contest / consumed
-7. horse riding style / sponsor
-8. cake coating / baptism receptacle
-9. exceptional / image file extension
-10. mollusk / pig food
-11. a woman who supervises women / a tangled mass
-12. music style in "The Entertainer" / temper
-13. leather treatment area / attempt
Did you ever stop to think...and then forget to start again!