People saying about stretching the drum skin are correct. Square drums exist, such as a [cajon](https://www.google.com/search?q=cajon&client=ms-android-samsung-ss&prmd=svin&sxsrf=ALiCzsb-vCkyro1hy6Bg7N5fLtXhoIajXw:1668885694369&source=lnms&tbm=isch&sa=X&ved=2ahUKEwig4u7X-7r7AhWBSEEAHf8cAiQQ_AUoA3oECAEQAw&biw=360&bih=670&dpr=3), and are usually a wooden material instead.
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