TL;DR
This paper reviews the formalism of manifestly gauge invariant exact renormalization groups, discusses its advantages and disadvantages, and advocates for applying it to gain new insights into the strong coupling regime of QCD.
Contribution
It highlights the potential of the formalism to advance understanding of non-perturbative QCD phenomena.
Findings
Discussion of the pros and cons of the formalism
Argument for applying the formalism to QCD
Proposal to explore strong coupling domain
Abstract
The essential elements of manifestly gauge invariant exact renormalization groups are recalled. The pros and cons of the formalism are discussed and it is argued that now is the right time to try to utilize the formalism to provide new insights into the strong coupling domain of QCD.
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