Back in the early 80s our summer league baseball team would play it a lot on trips/tournaments to pass the time. Great batting practice!

Kevin Mitchell , played for the Giants in the 80's and 90's ---- outfielder . He could crush fastballs --- but couldn't hit a breaking ball to save his life .
During an offseason ---- he had coaches and friends ONLY throw him whiffle balls ----- as nasty as they could spin em .
Went on to with the league MVP in 1991 ---- he credited playing whiffle ball for his MVP year .

We had several unique ballparks, one was hitting out of a garage. Another was a rectangle only about 30 feet wide but the full width of the yard deep with some big trees overhanging one side. Had to learn to hit the ball up the middle line drives or a hook down and over the open left field line. When the last ball split we would use the duct tape to keep playing. Lost some of the wiffle curve action but the ball speed & distance increased. The ability to really NAIL a runner with the ball also increased - those duct tape balls would inflict significant pain. Good times.

We tweaked our bats and made our own balls. Wiffle balls didn't last a full game before they tore...
Had to bat lefty and right, every other inning.
We may have had 100 prototype balls.
Dead centerfield was the peak of a house across the street.
Some balls would clear the house. They were forever lost cause we didn't know that guy.....
No telling how many rolled up socks and ducttape balls were in his yard.

Did you tape the bats with electrical and/duct tape? We did. We used regulation balls, but we scuffed them and scored them with a box cutter to get more movement. Also, pitching into the wind provided advantages for the pitcher and batter.

Fun times.

Those were they days. Playing until dark or lost all the wiffle balls.