Actually those are cross guards that prevent him from getting his hands cut off.
It's not really that stupid.
English
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Mm yeah since I watched that, I've thought kylos lightsaber is a lot more awesome... Cuz really to the people saying "well just one wrong move and he could easily cut his hand off..." To them I say "well shit haven't you heard of practicing? If you train long enough then you'll adapt to the size and shape of your sword and you'll never hit your hand with the cross guard..."