Rashi on TanakhJoshua 23

You have seen how I have alloted to you. By means of the lot for your inheritance.

The remainder of these nations— that remain to be conquered.

And a goad in your sides.¹Rashi takes the word לְשׁטֵט as an expression of prowing rather than as an expression of a rod or goad as do other commentaries. They will prowl around you to loot and ransack.

And thorns. This is an expression of camps. Similarly: “And they will come upon you with camps,”²Yechezkeil 23:24. like a shield (צִנָה) that surrounds a person on three sides, as it is said, “As a shield, you encompass him with favor,”³Tehillim 5:13. תַּעְטְרֶנוּ meaning תְּסוֹבְבֶנוּ, surrounding, similar to “And Shaul and his men surrounded David and his men.”⁴I Shmuel 23:26. עוֹטְרִים meaning סוֹבְבִים, surrounding.