true lovers knot

[ieatbees]

is a true lovers knot anything to do with marriage & the whole "tying the knot?"

[Tatty Rollox]

........ and here is a lover's knot .........

[Famous5]

I understood that Tying the knot came from the part of the marriage service where the vicar puts the bride & grooms hands together and wraps them in his stole (sort of clerical scarf), then declares Whom God has joined together let no man put asunder (or modern equivalent)