Bowline on a bight advocate the use of a figure eight twisted version of the Bowline on a bight. This knot can be used to provide a toe hold in the middle of a rope; to make an emergency bosun's chair; and to create an upper rope "block" to make a crude purchase by threading the rope round an anchor point and then back up through the loop. It is sometimes used in sport climbing to tie into two anchor bolts independently. This knot is convenient when a dependable loop is required but neither end of the line is available. It's also commonly used
Sealed Knot Sealed Knot The Sealed Knot was a secret Royalist association which plotted for the Restoration of the Monarchy during the English Interregnum. The group was commissioned by King Charles II between November 1653 and February 1654 from his exile in Paris for the purpose of coordinating underground Royalist activity in England and preparing for a general uprising against the Protectorate. Its original founder members were: The Sealed Knot made eight attempts between 1652 and 1659 to bring about the Restoration. The biggest revolt was staged in 1655 and is known as the Penruddock uprising, named after one of the leaders