Deal with the "rocket" exactly as described above- a pair of needle-nose pliers, and after you've done one or two, it gets even easier. These are terrific bottles, because the Plastic label uses NO adhesive, thus there are NO delabeling issues. I'd take all of these I could get.
“Malt does more than Milton can / To justify God’s ways to man”
-A. E. Housman (1859–1936). A Shropshire Lad , 1896.