Open any player page and click the line badge in the header, like 20.5 Pts O -122 U -109. Compare Odds opens.
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Click the gear icon in Compare Odds to open Customize Sportsbooks.

Under PRIMARY BOOK, pick your book from the dropdown. Its line and price show on the badge.

Under ALL BOOKS, switch books on or off, or find one with Search books.... You can select up to 15, and the counter shows how many you have, like 13/15.
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Click Done.

Open a player from the Search tab or by tapping a card on the Explore tab (the house icon).

Tap the line chip at the top, like 21.5 Pts O -129 U -105. A sheet lists every book's line and prices.

Tap Configure.

In Customize Sportsbooks, pick your Primary Book, then switch books on or off under All Books. You can select up to 15.
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