What's the maximum weight difference you allow in your yoyos? My friend and I have Chiefs in the same color, same run, but mine's a whole gram heavier.
It depends. If the weight difference is unnoticeable, or in some cases an improvement, and it's within the range that we like to keep our return tops in, we're fine with it. Return top design is both a science and an art.
What is thing that Petr and Alec plays at the end of wm2 and daily? similar to kendama and look like pill or a potato and got two halfs where first has got a spike , what is it?