lol so i am a newb at TEF so can somebody tell me where to save sets and how cause i really would like to but not sure how and where so please please tell me thanks

so I just got Endless forest and I was playing and saw a fawn(who kept trying to attack me) but every time she/he laid down they got a pelt and mask and when it went away she/he laid down again and it came back up what is this and how can i do it? plus we where by the purple flowers somebody please tell me!!!

so I just got Endless forest and I was playing and saw a fawn(who kept trying to attack me) but every time she/he laid down they got a pelt and mask and when it went away she/he laid down again and it came back up what is this and how can i do it? plus we where by the purple flowers somebody please tell me!!!