The most common and most likely answer to this crossword clue is the 6 letter word PROBES
I've seen this crossword clue in The Guardian
P
R
O
B
E
S
More clues leading to the result PROBES
Buddy explains!

The straight part
We know that "Feels" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case feels = probes.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PROBES mean?
PROBES noun- Any of various medical instruments used to explore wounds, organs, etc.
- Something which penetrates something else, as though to explore; something which obtains information.
- An act of probing; a prod, a poke.
- An investigation or inquiry.
- A tube attached to an aircraft which can be fitted into the drogue from a tanker aircraft to allow for aerial refuelling.
- A small device, especially an electrode, used to explore, investigate or measure something by penetrating or being placed in it.
- A small, usually unmanned, spacecraft used to acquire information or measurements about its surroundings.
- (game of go) a move with multiple answers seeking to make the opponent choose and commit to a strategy
- Any group of atoms or molecules radioactively labeled in order to study a given molecule or other structure
- To explore, investigate, or question
- To insert a probe into.