1: Beauty stripping top and bottom is an additional feature (3)
2: Burdened young man with couple of encumbrances (5)
3: Conductor of opera rising in encore (9)
4: Abridged fibre project (3)
5: On return, for example, put back costume (3-2)
8: Inspects quantities of beer (5)
9: Gas makes one put on weight (5)
11: Bumped into yours truly at junction (3).
13: Call for help oddly stops (3)