In Or Out

[7mayfield]

All answers contain the word in or out
1) This protects us from the elements (4)
2) A rock formation (7)
3) A large two edged knife (8)
4) Scottish for warm and friendly (6)

[JimF]

1) Skin

[JimF]

2) Outcrap

[JimF]

LOL! Outcrop

[JJ109]

3. If 7 letters "Couteau"
https://www.collinsdictionary.com/dictionary/english/couteau

[klazomaniac]

3 Catling knife ?

[klazomaniac]

4 Couthy

[klazomaniac]

https://en.m.wikipedia.org/wiki/Catlin_(surgery)#:~:text=A%20catlin%20or%20catling%20is,%2C%20electrically%20driven)%20oscillating%20saws.

[7mayfield]

JJ109 - thank you, you can spell Couteau with an x on the end making it the 8 letters

[THECORBYLOON]

You can spell it with an "x" only if referring to more than one of them but the clue refers to only one of them.

[Canary42]

My skin's not doing a lot to protect me from the cold at present