We hope to assess the safety of a recurrent heating device for pain relief.

Inclusion Criteria:

• Individuals in good general health.
• No known medical conditions that, in the investigator's opinion, may interfere with study participation.
• Subjects 18 year of age and older.

Exclusion Criteria:

• Individuals who have history of acute or chronic disease that would likely interfere with or increase the risk on study participation at the discretion of the investigator.
• Individuals with peripheral neuropathy or a neuropathic condition that would alter their ability to sense pain.
• Individuals with clinically significant unstable medical disorders that would disqualify the participant at the discretion of the investigator.
• Individuals who have history of a psychological illness or condition that would interfere with their ability to understand and follow the requirements of the study at the discretion of the investigator.
• Women who are pregnant.