And a slinger is someone who has a leather pouch with two long cords attached to it, and they put a projectile, either a rock or a lead ball, inside the pouch, and they whirl it around like this and they let one of the cords go, and the effect is to send the projectile forward towards its target.
Praćkaš je netko  tko ima kožni džepić pričvršćen za dva duga užeta, i u njega stavlja projektil,  stijenu ili olovnu kuglu, i zavrte ga ovako te otpuste jedno od užadi, i tako odašilju projektil naprijed ka meti.