2. Linteum calidum methodo remotionis: primo linteo calido operiri potes, et, ubi madefactum est, aliquidobicesfacile avelli.
3. Hydrogen peroxide removal method: Hydrogen peroxide can soften the hardened viscose. The method of use is to dip a towel in hydrogen peroxide, wipe the obice, wipe it several times, and it can be peeled off after a minute or so.
4. For ultra-stubborn obices, you can go to the market to buy a obiceauferens. Haec methodus est diligentissima et professio.