First, ensure the lemon is soft to make the process easier.
Grab a bowl or glass and put it on a flat surface to collect the juice
Next, cut the fruit in half, and then cut each end of the lemon. Place a half of the lemon flesh-side down into the holder of the hand juicer. Now, holding it over the bowl, squeeze both arms of the hand juicer together until you’ve extracted as much juice as possible from the lemon.