There was a little tailor and the flies are bothering him. He strikes out and kills 7 with one blow. Impressed with himself he makes a belt inscribed with this achievement
"killed 7 with one blow"
He encounters a giant who, assuming the claim on the belt means men, challenges him to a competition of strength. The giant squeezes a drop or two of water from a stone; the tailor squeezes a rock (a cheese) and gets more drops of whey; the giant throws a rock a long distance, the tailor throws a rock (a bird) which disappears into the distance, etc..
Various other things happen and eventually he beats some giants who are terrorising a kingdom and gets half the kingdom in return.
The appearance of a great achievement becomes a great achievement, once the tailor is given a chance. But right at the beginning it all depends on him presenting his achievements to date in the best possible light. Let's call this his traction...