The mail carrier was phobic of dogs.

In certain of their sacrifices they had a lamb, they sticked him, they killed him, and made sacrifice of him: this lamb was Christ the Son of God, he was killed, sticked, and made a sweet-smelling sacrifice for our sins.

a consecrative inscription

And whan they vnderstode this they walked fast, & cam nigħ to the bridge, and sawe thre cristen that were 28 ouerthrawen on the bridge by strokkes of speerys. ‘Fourth,’ said then one of them, ‘we tary to longe / perceyue you not how this Dogges oppressen vylaynly these valyaunt & worthy crystens?’ / and anone they 32 bended þeir crosbowes, & shot ałł ones / and ouerthrewe doun on the bridge fro theire horses with that first shotte xxiiᵗⁱ paynemys.