knapsack, pack, rucksack; see bag 1.
"backpack." YourDictionary, n.d. Web. 05 December 2018. <https://thesaurus.yourdictionary.com/backpack>.
backpack. (n.d.). Retrieved December 05th, 2018, from https://thesaurus.yourdictionary.com/backpack
To travel about or journey on foot:
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