PSV With What Protective Shell Is Better?

So far, the water jacket is probably the best to handle... it's the one that only covers the surrounding of the machine

Silicone sleeve affect feel crystal shell and aluminum shell have the possibility of scratching the machine

In fact, you can also buy a silicone set to buy an aluminum shell first set of a layer of silicone set outside a once aluminum shell

I haven't tried it but it should be good

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