As to which type of guitar capo will best suit your playing, you will need to match the capo to your guitar, the primary factor being whether you have a flat fretboard, like a nylon-stringed classical or some steel-string acoustics, or if the fretboard is curved, like on most steel-stringed acoustics and electrics.
However, note that other causes of the symptom 'Muscle mass loss' may be possible. Research the causes of these symptoms that are more broader types of symptom than Muscle mass loss: Muscle atrophy (351 causes)
One of the initial effects of low dietary protein is a decrease in muscle mass, which can also lead to increasing physical weakness. When you donât consume enough amino acids from the protein-rich foods in your diet to synthesize new proteins as your body needs them, your body breaks down muscle fibers and sends the amino acids to cells with a more immediate need for protein. Over time, you can experience muscle wasting.