An early well-documented case is that of the "two oak-posts" set up next to the medieval Eleanor cross at Waltham Cross, Hertfordshire, in 1721, at the expense of the Society of Antiquaries of London, "to secure Waltham Cross from injury by Carriages".
Varajane hästi dokumenteeritud juhtum on "kahest tammepostist", mis asetati keskaegse Eleanori risti kõrvale Hertfordshire'is, 1721. aastal Londoni Antiikide Seltsi arvelt, "et kindlustada Waltham Cross'i vigastuste saamise eest vagunite poolt”.