Step 1: Materials
2 - Little bottles;
1 - A piece of PVC pipe with a internal diameter equal or next to the external diameter of the bootle (15 cm);
1 - Ground stone (2 kg);
1 - Some kind of glue;
1 - Saw;
1 - Heater (in my case, the stove );
1 - Something with a conical tip;
Step 2: Prepare the Handle
2 - Sandpaper the borders.
Step 3: Prepare the Mortise's Cover
2 - With the help of something conical, widen the tip of the tub until fit the cover of the boobtle.
3 - Do it at the other side.
Step 4: Glue the Covers
Step 5: Fill the Bootles
Step 6: Mount the Olympic Weight
2 - If you prefer, fill the bootles with water to do it more weight.