jif73
20 Down
Definition = last word (with 6 letters, 4th goes into entry at 6th)
Sides are used for hands shoes etc (? & ?)
They appear separately within a word for sharp associated with taste
24 Down
The clue includes a word to be removed, so, that apart, its normal.
Four letter saliva-spattered "music" afficionado with first letter removed plus 6 letter word for "confined", also beheaded.
Both beheadings involve going for a pee.