I’ve (twice) had happy ending massages in Thailand with my OH a few meters away behind another curtain or thin wall. Good times.
I did the same
Tho NO curtain / wall
A romantic couples massage
Maybe 2m apart
OH was in FDM head in the hole, I was in FU
We were both covered with a thin cotton sheet
I saw my masseuse wink to the other one
She had her hand under the cotton grazing the top of my thighs & ball bag
I glanced to the side seeing OH being massaged on the back of her neck & head
Which i reck gave the other masseuse some control which would have stopped the OH lifting her head for a second or two
My masseuse then moved her hand up & it was nails grazing down the shaft
She was mostly looking at the OH i (now) figure to look for any movement by her
& would then do brief eye contact with me (mesmerising) then flick back her gaze
There wasn't a full on HJ
My head was spinning given the situation & i reck one or two strokes & it would have been thunderbirds
I was then told to flip into FDM & that was that
I reck it was the masseuses having a bit of fun when they so decided
The OH said at the end of the session to make sure i gave them a tip
I certainly did & doubled it !