Whatever containers for homemade pickles — from pans or buckets to the barrel after filling in the experienced owner necessarily puts on top of the circle, and his oppression: a stone or another heavy object. Harder to do that if the pickling is carried out in three-liter jar. However, it has the crush can provide and the circle, when to give it an oval shape with the width of the hole banks: just put it inside and turn it so that the long side of the mug rested on the shoulder of the neck of the jar.