How you overcome a weakness is dependent on that perceived shortcoming, and what you have going for you. For example, lifters with longer arms tend to benefit more in general from closegrip and board/top end heavy work than their shorter-armed friends (because they have to lift the bar further/longer). As will equipped/shirted benchers also need proportionally stronger triceps (because their strength curve is altered).
Also, why a lifter is missing at a certain range matters. If the lifter is not touching in the same spot or setting their arch consistently, that just needs more specific practice with moderate weights and more sets at lower reps to focus very intently. But if they have good consistent technique touching at 70% but not above 90%, their technique is fine - they just need stronger lats. So the answer is actually more rowing & chin-up hypertrophy.
If a lifter is missing mid range, they might just need more explosive driving power. Maybe this is rectified with some simple dynamic/ballistic speed work with light weights & more focused intent, or maybe it will require heavier Spoto Pressing where you build both stability at the bottom AND increased static pressing power (because you actually needed more chest strength).
If a lifter misses at the chest, and positioning, technique, and lat strength are sufficient, they often just aren’t strong enough overall. Hypertrophy/overall size is probably the most direct solution.
Chains and slingshot work are usually more useful for a raw lifter as far as implementing the future method, to help accommodate to heavier weights on bench, than bands. They are best used in blocks that are moving towards peaking. Bands are better for speed work, as they reward you for lifting explosively & help reinforce that accordingly. You will be punished for lifting bands slowly, while chain doesn’t care. It just gets heavier the higher the bar rises regardless.