You might remember the meaning of the character 撕 with this easy mnemonic:
We can tear that umbrella (扌) into different pieces and make some sweet (甘) art with hit. Let's put one (一) to eight (八) axes (斤) on the umbrella for more of a contemporary look.
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.