Do you have guys in your family? They might want to learn a tool that King David used as a child. A sling. These look like something I could crochet from rope.
How to Make These Slings – A Primitive Skill (homesteadsurvival.com)
How to Make a Shepherd’s Sling (jesussaves7.hubpages.com)
DIY Paracord Rock Sling (thepreparedpage.com)
Judges 20:16 Among all this people there were seven hundred chosen men lefthanded; every one could sling stones at an hair breadth, and not miss.
1 Samuel 17:40 And he took his staff in his hand, and chose him five smooth stones out of the brook, and put them in a shepherd’s bag which he had, even in a scrip; and his sling was in his hand: and he drew near to the Philistine.
1 Samuel 17:50 So David prevailed over the Philistine with a sling and with a stone, and smote the Philistine, and slew him; but there was no sword in the hand of David.
1 Samuel 25:29 Yet a man is risen to pursue thee, and to seek thy soul: but the soul of my lord shall be bound in the bundle of life with the LORD thy God; and the souls of thine enemies, them shall he sling out, as out of the middle of a sling.
2 Kings 3:25 And they beat down the cities, and on every good piece of land cast every man his stone, and filled it; and they stopped all the wells of water, and felled all the good trees: only in Kirharaseth left they the stones thereof; howbeit the slingers went about it, and smote it.
2 Chronicles 26:14 And Uzziah prepared for them throughout all the host shields, and spears, and helmets, and habergeons, and bows, and slings to cast stones.
Job 41:28 The arrow cannot make him flee: sling stones are turned with him into stubble.
Proverbs 26:8 As he that bindeth a stone in a sling, so is he that giveth honour to a fool.
Zechariah 9:15 The LORD of hosts shall defend them; and they shall devour, and subdue with sling stones; and they shall drink, and make a noise as through wine; and they shall be filled like bowls, and as the corners of the altar.