It meant that he didn't want the orcs to go through the gear of the hobbits in case one of the orcs found the ring and took it for their own. He wanted the orcs to bring them back as they found them so he could make sure he was the one who would get the ring.
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His sword was long his lance was keen
His shining helm afar was seen
The countless stars of heavens field
Were mirrored in his silver shield
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