I had to enlarge the photo to see that your bass has another P-pickup up by the neck.
Two covers would eliminate so many great places to voice notes with your right hand.
If you slap, two covers would all but prevent it (I'd think).
If you must, I'd go with only one, in the traditional spot.
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FS - a Hartke Hydrive 410
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RIP Kevin Burke, band leader and friend!