funny you say this, I just cleaned a swivel with floss the other day. It had seized recently and I thought it ruined. Decided to soak it in soapy hot water, and some pitch came out. Then I ran floss thru it and soaked it again. Good as new.
Helmet
Glasses
Often hi viz
Often saw pants, if not, chaps when cutting on ground
Gloves for climbing mostly, gloves for nasty stuff on ground
Always wear boots, often chainsaw boots
I wouldn't use less than 8 mil cordage. And not accessory cord, but heat resistant hitch cordage.
And you should definitely have a rope wrench or some way of adding friction. Otherwise you will have no fun
The attendees could definitely do what evo said, but I see no reason you couldn't get sign in sheets and just deal with isa directly. Other that international calls being expensive