If you buy a putter randomly from a shelf at a store, it’s like you are buying a very expensive lottery ticket. Buy the wrong mallet putter will not lower your game score, it just throws away your money
Mallet has a head that is heavier than a blade because at the forefront of the benefits of the mallet is stability. Because additional weight reduces the possibility of inconsistencies.
In short, Mallet is a weapon of great power, it can help or hurt your game