Poison dart frogs have been used to poison the tips of blowpipe darts. A lawn dart set usually includes four large darts and two targets. These additional games included billiards, darts, and bowling. Holmes has presented coverage of snooker, horse racing and darts on television. A quiver is a container for holding arrows, bolts, darts, or javelins. Leagues exist in football, netball, pool, darts and dominoes. The gameplay and objective are similar to both horseshoes and darts. Protesters responded by throwing Molotov cocktails, swords, knives, rocks, poisoned darts and bicycle spokes. "Antiaris toxicaria" is notorious as a toxin for arrows, darts, and blowdarts. "Tlacalhuazcuahuitl"&colon; A blowgun consisting of a hollow reed using poisoned darts for ammunition. This was an imitation of how a warrior received his "atlatl" darts and shield. The average Nerf blaster fires darts at around 70 feet per second. Murdoch went on to develop a range of rifles, darts, and pistols. Fox suddenly reappears and attacks the others with poisoned darts. Over ten hours per day of live darts on Sky Sports is not uncommon.