Cards β send
suit first using numbers (face cards not used):
1 β£ clubs
2 β₯ hearts
3 β spades
4 β¦ diamonds
Cue: βLet me make a guess.β Next: βTry clubs.β β T=1 β clubs.
βSpades feel right.β β S=6 β but suits only 1β4, so 6 would be invalid β students learn to stay within 1β4 for suits.