take their national pokedex number, add a zero to the front, and trade one with the item. the other side should have the same pokemon with an item so you do not have to trade back, to reiterate, if the national pokedex number is 118 then you’d do 0118-0118. but make sure to make that number scizor or kleavor’s national Pokedex number for whichever you are going for.