The Sonic Slider® with Accessory

Created by Biofield Tuning Founder, Eileen McKusick, the custom-made Sonic Slider® is a weighted tuning fork designed for use directly on the face and body. The 93.96 Hz Sonic Slider is known for its distinctive, grounding feel and the enjoyable sense of presence it brings to each session. Many users love incorporating it into their daily rituals for its gentle resonance and the way it enhances self-care.

Paired with one of our thoughtfully crafted attachments, the Sonic Slider becomes a personalized and portable addition to your wellness toolkit.

The Handle Extender is designed for use with weighted tuning forks to offer an easy, comfortable grip and a more substantial feel in the hand. This tool allows you to glide your Sonic Slider along the face and body with smooth, controlled movement.

The Circuit Boot’s unique, patented design delivers amplified sound waves by trapping the vibration between small divots on the boot and the surface of the skin.

The Contour Boot offers a smooth surface that glides across the face or body for a luxurious, calming experience. Its shape allows for gentle, fluid motions during use.

The Slender Extender™️ that increases surface area for sliding and a lightweight alternative to the traditional Handle Extender. At just 1.5 oz., it offers a sleek, compact feel that opens new possibilities for personalized exploration.

We sell two types of tuning fork activators to get the maximum performance from your weighted and unweighted forks.

Watch this video for instructions on the best way to activate your tuning forks.

To learn how to attach your Biofield Tuning Fork metal accessories, please watch this instructional video.

To clean your Biofield Tuning forks, we recommend using warm soapy water (hand or dish detergent work equally well).

Use a soft-bristle toothbrush to clean divots and interiors. Lay upright on a dry paper towel to allow water droplets to depart from crevices.

Be sure to pat dry after washing to avoid discoloration.

Use alcohol wipes for easy disinfection in between uses.

Biofield Tuning forks are manufactured in America with a premium aluminum alloy and a proprietary finishing process that minimizes absorption into the skin, maximizes sustained vibration, and extends fork life.

After having many forks fail during tuning sessions, Eileen worked for years to develop a premium alloy that would better withstand the stress that Biofield Tuning places on forks. This alloy proved to be the most resilient while maintaining our high standards for clear, sustained working tones.

This alloy produces audible overtones in our unweighted forks and sustained vibrations/frequencies in our weighted forks, which are critical elements in producing optimal results in Biofield Tuning.

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Our metal accessories contain nickel. The Circuit and Contour Boots are made of stainless steel, which contains a very small amount of nickel to achieve its corrosion resistant properties (similar to the amount found in a stainless steel spoon or fork). Our Handle Extender is aluminum and is plated in nickel to create a corrosion resistant barrier between the metal and its environment.

If you have a slight allergy to nickel, you may wish to try this product: Nickel Guard - No Nickel - Protective Coating Solution for Nickel Objects (or another similar product).

For those with a higher sensitivity to nickel, we suggest avoiding the Handle Extender, and instead recommend the stainless-steel Contour Boot or the Circuit Boot.