"One seam. One lag." – the chit, on the way out
FIELD REPORT – Ferdinand Lusk REPORT 14 OF 14 SUBJECT: The laying back; the lag; departure A shadow is laid back on at the Table at noon, in reverse. One stands on the marble in bare feet; the slate on which the shadow has been kept is laid flat at one's heels, lamp and all; when the bell rings and the light goes flat the leaf is drawn out from under the slate and the lamp is put out, and for four minutes there is nothing anywhere, and then the light tips, and the shadow, which has been standing nineteen days against a whitewashed wall ninety steps under the night quarter, comes back along the marble and finds its feet. Mine found them. I felt it, which I had not felt at the cutting; the stone was a degree cooler under my soles. Lind did not look at my face, as the Manual says, and did not look at the Table, and said, when I had my boots on, that it had gone back clean, and that I should walk. It lags. The Keeper warned me in my second report that I would know lag if I had it, and I...
From the lore of The Ledger of Shadows.