A receptacle in the stage deck to accept the bottom pulley of a traveler's operating line. Temporarily affixing the sheave to the deck allows the line to be taut, but still be able to fly out.
View attachment 3548
Image from H&H Specialties.pdf.
As an alternative, one can use a weighted floor block, which has either a chunk or iron or a sandbag attached.
View attachment 3548
Image from H&H Specialties.pdf.
As an alternative, one can use a weighted floor block, which has either a chunk or iron or a sandbag attached.