Have been using Roto Grip's Venus almost exclusively since I drilled one up last December. Bowling in two leagues this year, my average has gone up from a perennial 210 - 215, to 220 in one league (old wood lanes), and 230 in the other (new synthetics).
Last Tuesday on the synthetics rolled a new personal high, shooting 258 (ten pins in the fourth and eighth), 279 (ten pin in the fifth), 298 (whiffed fill ball way right, leaving the 1-2) 835 series.
Three ten pins and one whiff between me and 900!
Obviously, I highly recommend this piece to my friends here at BR.
Can't wait until next Tuesday!