Which preposition to use with crossbar

on Occurrences 4%

Let it cool, spread one half of the cake with a layer of nice preserve, place over it the other half of the cake, press the pieces slightly together, and then cut it into long finger-pieces; pile them in crossbars on a glass dish, and serve.

in Occurrences 1%

The runners of the sledges got coated with a thin film of ice from which we could not free them, and the sledges themselves sank to the crossbars in soft spots.

of Occurrences 1%

Add a few peach kernels, pounded fine, to each pie and bake with crossbars of paste across the top.

Which preposition to use with  crossbar