But Linda would complain if she were spanked by anyone she wasn't involved with. Since she sort-of blames the MC, I figure she went to see Emily after MC's spanking, Emily noticed her marks and said something like "Oh you wanted to test your new lotion and MC was 'only helping you'. I'll help you too!!"
Gary has been very tight-lipped about that since it first came about and the general consensus was that he had planned an event around it. It didn't materialize in 0.10 however, so either he didn't have time and postponed it for a future update or gave up on whatever the concept was. Frankly, if Susan was involved, I'd prefer the latter.
I assume you mean 'tight-lipped' on the Patron pages, because I have not seen it discussed in this thread.
I agree it is only really likely to be Susan or Emily.
Emily has started to show more interest in spanking as the game progresses, and her relationship with Linda might mean she would help with 'scientific experiments'.
However if you want to test the effectiveness of the lotion's soothing capabilities then you would probably go to the most experienced punishment inflictor around.
We haven't seen Linda's sleeping quarters yet, but I assume they are somewhere near Susan's in what would be designated the 'crew' deck or level.
Susan also has made a couple of remarks about Linda in recent conversations. Both she and Rachel are aware of the MC's liaisons with Linda since 'that' photo was seen on Amy's phone.
I think Susan has some interest or curiosity about Linda, and there is still the mystery of who Susan got the strap-on for.
Experienced CMA fans may well remember Amy being all tied up and getting 'attended to' by Susan back before the Island.
Susan, wearing the strap-on, makes a remark about buying it specifically to use on someone, and says:
"When I bought this I had another plan for it.... But my prey has revealed herself to be harder to hunt down than I expected."
Ok - herself = female so not the MC.
Rachel would not be hard to hunt down they're already involved anyway, and a strap-on would not be unusual.
Emily and Chloe would be 'off-limits'. (Susan watches MC and Chloe, but declines to get involved)
So who does that leave - only Linda.
So I think there is a pretty strong case for saying Susan wants a piece of Linda.