I kinda like the give away thing
The slapping of my sack as I fist jack is a give away to the others on the beach close by. As my ball sack jumps up and down up and down slap slap slap others know when I'm in serious milking stroke. If I'm just soft stroking, obviously its silent and private. I kinda like the 'give away slapping' sound that often draws a looker to watch. Putting on a show is so fun. I see them approach and pretend I dont notice for a minute or two. They often stand back a bit where they think I can't see them and watch my various routines.
The grand scene being the ropes of milk hitting my face and chest, always gets a responce of some kind. It's great for my ego as some even clap with joy. I love the show thing, its my delight at the beach. I love to show, and they love to watch. I also really like to watch others as well. I see some strong loads that are very impressive and lovely as they explode on faces and chests and tummies.
But as I said, the slap is a funny kind of thing, as well as a delightful sound that echoes on our beach.