**Introduction** **3** **Terminology** **4** **What We Are Asking For** **5** **Detailed Proposal** **5** A launder_bag_of_bits_ptr() Function 5 A bag_of_bits_ptr<T> Template Class 6 **Example** **6** User Tracking of Pointers and realloc() 6 **Wording** **8** Add bag_of_bits_ptr<T>, comparisons, launder_bag_of_bits_ptr(), and hash specialization 8 **History** **11** **Appendix: Name-Selection Guide** **13** Historical: Selecting a Name for usable_ptr<T> 14 Historical: Selecting a Name for make_usable_ptr() 15