By blocking the first hit standing and then blocking the rest of the string crouching, certain characters can make Liu Kang’s Shaolin Warrior, or +,, completely whiff and punish him. This can hurt Liu Kang’s offense since his main pressure comes from using +,.
Note: +, no longer whiffs on Johnny Cage due to patch changes.
In order to prevent from being punished, you must block confirm the +,. Due to + being two hits, you have enough time to confirm it. If you see that the + is blocked standing, do not input the rest of the string. + by itself is -7 so you will be safe. If you see that the + is blocked crouching, then you are free to input +, without fear of it being punished.
While it does require practice, it will allow you to play it safe whenever using +,. It’s also important to know that if your opponent is stand blocking the +, it will open them up to being hit by Liu Kang’s +, or low pokes.