But in any case, the crews of working vessels did not trouble with such dainty ways. In keeping with the general philosophy of working boats, all sails would therefore be traditionally treated with red oxide and other substances. The problem of the inaccessibility of gear was met in the Thames barge by stepping the mast in a tabernacle and using a windlass on the foredeck to strike the whole lot, mast, sprit, sails and rigging. The crew could sail under a low bridge such as at Aylesford or Rochester the without losing steerage way. The windlass is below the tack of the foresail and the tackle at the foot of the forestay. In striking the gear, the foresail tack tackle had to be cast off, the bridge cleared, the skipper and an extra man (the huffler) used the windlass to raise the mast. Dinghies Modern use of the spritsail has also become more common through its use in the Optimist (dinghy) - this uses a boomed spritsail - in the case of which the sprit is tensioned by a snotter arrangement. This much simpler implementation sees the sprit anchored higher on the mast than on barges. Leg of mutton spritsail This is a sprit rig that uses a triangular sail, the luff is bent to the mast, and the one spar, the sprit-boom attaches to the clew of the sail. The fore end of the boom is tensioned (pulled tight to the mast) by use of a snotter chord. On a Bolger 59 rig, there is a 14'3" luff, 13'7" leech and 9'0" foot. Local boats The spritsail is also commonly used in a fore-and-aft rig (along with a staysail) on local traditional wooden boats of the west coast of Norway, most notably the faering variant of the Oselvar. Traditionally, up until the second half of the 1800s, these boats used to be rigged with a square rig. Square rigged ships In an inconvenient piece of nautical ambiguity, the term "spritsail" also refers to a sail used aboard some square-rigged vessels, typically on vessels developed prior to the middle of the 19th century CE. Unrelated to the spritsail described above, it is an evolution of the ancient Greek artemon that was eventually made obsolete by the evolution of more efficient headsails. In the context of square-rigged vessels, the spritsail is a square sail set under the bowsprit; a "spritsail topsail"