Readings
Kun readingあつか.い、あつか.う、あつか.る、こ.く Radicals and components
Radical手handComponents Mnemonic (RtK)
ⓘfinger · fingers · reach out
From "Remembering the Kanji" by James Heisig · Frame 745
Practice Writing
Practice Writing 扱
Draw with a guide, then from memory — checked at every step